Discontinued by Plantronics.  It's been replaced by the Plantronics HW261

The Plantronics H61 Supra headset is the most popular headset in the world, the Supra owes its popularity to the perfect balance between light weight, superior sound and outstanding comfort. The dual earpieces have a yoked double cable, which gives greater clarity by providing sound in both ears. The superior voice tube technology makes speaking a real pleasure. 

Key Features:

• Dual earpiece headband style
• Adjustable
• Soft ear cushions for all day comfort
• Quick disconnect
• Superior voice tube

<= This headset has a Quick Disconnect end.

Note: This headset requires the Plantronics M22 Vista adapter/amplifier between the headset and the telephone.

Optional Accessories for the Plantronics H61:

Plantronics Voice Tubes Mirage/Supra Headsets-Clear (3-Pack) 

Plantronics Supra Headset Voice Tube Accessory Value Pack

Plantronics Foam Ear Cushions for Supra, Encore (3 pairs)

Plantronics large circumaural leather ear cushions for Supra

Plantronics Leatherette Ear Cushions for Supra, Encore (1 pairs)

Plantronics H61, H61N Supra Headband Replacement